6 Different Sizes: These bits are available in 6 different diameter sizes: 6mm, 8mm, 9mm, 12mm, 16mm, 19mm. Use: Ideal for embedding fixing holes in wood or plastic. Material: Made of high-speed steel coated with ultra-resistant titanium, these burs perform well even in the hardest materials. Quick Change: With 64mm hex shanks for quick charging. Do not slip in the chucks. Bonus: 1 free automatic punch. Mark a dimple in the material to be worked on to create a starting point that will prevent your screws and drills from moving. Features: Material: High speed steel. Dimensions: 6 mm, 8 mm, 9 mm, 12 mm, 16 mm, 19 mm Quantity: 1 set of 6 drills Length: 48 mm Package contents: 1 drill bit of 6 mm 1 drill bit of 8 mm 1 drill bit of 9 mm 1 drill bit of 12 mm 1 drill bit of 16 mm 1 drill bit of 19 mm. 1 automatic needle.